diff --git a/server/public/css/style.css b/server/public/css/style.css
index 582baed..774a641 100644
--- a/server/public/css/style.css
+++ b/server/public/css/style.css
@@ -30,8 +30,9 @@ body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-
 
 .chat-window { display: flex; flex-direction: column; height: 100%; }
 .chat-header { background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%); color: #fff; padding: 0 16px; display: flex; align-items: center; min-height: 48px; }
+.header .back-btn { margin-right: 12px; }
 .chat-header .back-btn { margin-right: 12px; }
-.chat-header .chat-title { font-size: 17px; font-weight: 500; flex: 1; }
+.chat-title { font-size: 17px; font-weight: 500; flex: 1; }
 .messages { flex: 1; overflow-y: auto; padding: 12px; background: #fafafa; }
 .msg { margin-bottom: 12px; display: flex; flex-direction: column; }
 .msg.me { align-items: flex-end; }